* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-touch-callout: none;
  /*系统默认菜单被禁用*/
  -webkit-user-select: none;
  /*webkit浏览器*/
  -khtml-user-select: none;
  /*早期浏览器*/
  -moz-user-select: none;
  /*火狐*/
  -ms-user-select: none;
  /*IE10*/
  user-select: none;
}

body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
form,
fieldset,
legend,
input,
textarea,
p,
blockquote,
th,
td,
hr,
button,
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  margin: 0;
  padding: 0;
}

body {
  font-size: 12px;
}

img {
  border: none;
}

ul li {
  list-style: none;
}

input,
select,
textarea {
  outline: none;
  border: none;
  background: none;
}

textarea {
  resize: none;
}

a {
  text-decoration: none;
  color: #656565;
}

*::-webkit-scrollbar {
  width: 8px;
  height: 10px;
}

*::-webkit-scrollbar-button {
  width: 0;
  height: 0;
}

*::-webkit-scrollbar-thumb {
  border: solid transparent;
  border-width: 1px 0;
  background-clip: padding-box;
  background: #d8dce5;
}